Home / 26,333.92-36,333.48-15,719.68

Finding the Fourth Proportional to 26,333.92, 36,333.48 and 15,719.68

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Solution

The fourth proportional to 26,333.92, 36,333.48 and 15,719.68 is: 21,688.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,333.92 : 36,333.48 = 15,719.68 : x
  2. Step 2: Convert to fraction form
    26,333.92/36,333.48 = 15,719.68/x
  3. Step 3: Cross multiply
    26,333.92x = 36,333.48 × 15,719.68
  4. Step 4: Simplify right side
    26,333.92x = 571,150,588.05
  5. Step 5: Solve for x
    x = 571,150,588.05/26,333.92
  6. Step 6: Final answer
    x = 21,688.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.